PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/26-09:12:50
G01     81.3           32.2                5.4 +/-    0.88       9.1 +/-    0.88  0.030 / 0.030
G07     130.3          38.7                7.5 +/-    0.40      11.2 +/-    0.40  0.030 / 0.030
G11     63.0           39.0                4.3 +/-    0.86       6.4 +/-    0.86  0.030 / 0.090
G13     286.3          38.6                5.6 +/-    0.94       8.3 +/-    0.94  0.030 / 0.090
G15     311.0          12.2                2.6 +/-    1.11       7.0 +/-    1.11  0.090 / 0.110
G17     218.3          57.5                8.2 +/-    0.91       9.5 +/-    0.91  0.070 / 0.130
G18     57.1           22.2                2.2 +/-    1.02       4.6 +/-    1.02  0.090 / 0.130
G19     216.4          34.6                7.5 +/-    1.50      12.1 +/-    1.50  0.100 / 0.120
G28     344.5          61.5                4.3 +/-    0.73       4.9 +/-    0.73  0.080 / 0.200
G30     119.3          73.6                8.1 +/-    0.74       8.4 +/-    0.74  0.070 / 0.170